A tornado is one of the most violent atmospheric phenomena. It often absorbs trees, cars, garbage and sometimes residential houses due to its strength. They form most often in the late spring. Tornadoes are accompanied by a sharp drop in atmospheric pressure (up to 200 hPa), strong winds and precipitation (rain, hail). (Interesting fact - tornado alley is called the area in the US where tornadoes and wind whirls occur with increased frequency). (Interesting fact - a tornado is not always tragic in its consequences. An example is an incident recorded in 1986 in eastern China. Strong air wind whirls lifted up 13 children, carried them a considerable distance, then gently lowered them onto sand dunes).